diff --git a/glm/core/func_common.inl b/glm/core/func_common.inl
index 13d79d3b..6833e2cc 100644
--- a/glm/core/func_common.inl
+++ b/glm/core/func_common.inl
@@ -560,7 +560,7 @@ namespace glm
     inline detail::tvec3<T> min
 	(
 		detail::tvec3<T> const & x, 
-		typename detail::tvec2<T>::value_type const & y
+		typename detail::tvec3<T>::value_type const & y
 	)
     {
         return detail::tvec3<T>(
diff --git a/glm/core/type_mat2x2.inl b/glm/core/type_mat2x2.inl
index 0dbefc1e..33673c0f 100644
--- a/glm/core/type_mat2x2.inl
+++ b/glm/core/type_mat2x2.inl
@@ -32,7 +32,7 @@ namespace detail
 		size_type i
 	)
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -43,7 +43,7 @@ namespace detail
 		size_type i
 	) const
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -436,6 +436,10 @@ namespace detail
             m[1] * s);
     }
 
+	//     X
+	//     X
+	// X X
+	// X X
     template <typename T> 
     inline tmat2x2<T> operator* 
 	(	
@@ -460,6 +464,9 @@ namespace detail
             m[0][1] * v.x + m[1][1] * v.y);
     }
 
+	//		X X
+	//		X X
+	// X X 
     template <typename T> 
     inline typename tmat2x2<T>::row_type operator* 
 	(
@@ -468,8 +475,8 @@ namespace detail
 	)
     {
         return detail::tvec2<T>(
-            m[0][0] * v.x + m[0][1] * v.y,
-            m[1][0] * v.x + m[1][1] * v.y);
+            v.x * m[0][0] + v.y * m[0][1],
+            v.x * m[1][0] + v.y * m[1][1]);
     }
 
 	template <typename T>
diff --git a/glm/core/type_mat2x3.inl b/glm/core/type_mat2x3.inl
index 00871076..1b2f3a3f 100644
--- a/glm/core/type_mat2x3.inl
+++ b/glm/core/type_mat2x3.inl
@@ -32,7 +32,7 @@ namespace detail
 		size_type i
 	)
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -43,7 +43,7 @@ namespace detail
 		size_type i
 	) const
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
diff --git a/glm/core/type_mat2x4.inl b/glm/core/type_mat2x4.inl
index 0f1bc4b8..007aae74 100644
--- a/glm/core/type_mat2x4.inl
+++ b/glm/core/type_mat2x4.inl
@@ -32,7 +32,7 @@ namespace detail
 		size_type i
 	)
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -43,7 +43,7 @@ namespace detail
 		size_type i
 	) const
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -433,8 +433,8 @@ namespace detail
 	) 
     {
         return typename tmat2x4<T>::row_type(
-            m[0][0] * v.x + m[1][0] * v.y + m[2][0] * v.z + m[3][0] * v.w,
-            m[0][1] * v.x + m[1][1] * v.y + m[2][1] * v.z + m[3][1] * v.w);
+            v.x * m[0][0] + v.y * m[0][1] + v.z * m[0][2] + v.w * m[0][3],
+            v.x * m[1][0] + v.y * m[1][1] + v.z * m[1][2] + v.w * m[1][3]);
     }
 
     template <typename T> 
diff --git a/glm/core/type_mat3x2.inl b/glm/core/type_mat3x2.inl
index 6576cdcc..3f2d3b05 100644
--- a/glm/core/type_mat3x2.inl
+++ b/glm/core/type_mat3x2.inl
@@ -32,7 +32,7 @@ namespace detail
 		size_type i
 	)
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -43,7 +43,7 @@ namespace detail
 		size_type i
 	) const
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -384,7 +384,7 @@ namespace detail
 		typename tmat3x2<T>::value_type const & s
 	)
     {
-        return tmat3x4<T>(
+        return tmat3x2<T>(
             m[0] - s,
             m[1] - s,
             m[2] - s);
@@ -420,7 +420,7 @@ namespace detail
     inline tmat3x2<T> operator* 
 	(
 		typename tmat3x2<T>::value_type const & s, 
-		const tmat3x2<T> & m
+		tmat3x2<T> const & m
 	)
     {
         return tmat3x2<T>(
@@ -474,7 +474,7 @@ namespace detail
         const T SrcB12 = m2[1][2];
 
         tmat2x2<T> Result(tmat2x2<T>::null);
-        Result[0][0] = SrcA00 * SrcB00 + SrcA01 * SrcB01 + SrcA20 * SrcB02;
+        Result[0][0] = SrcA00 * SrcB00 + SrcA10 * SrcB01 + SrcA20 * SrcB02;
         Result[0][1] = SrcA01 * SrcB00 + SrcA11 * SrcB01 + SrcA21 * SrcB02;
         Result[1][0] = SrcA00 * SrcB10 + SrcA10 * SrcB11 + SrcA20 * SrcB12;
         Result[1][1] = SrcA01 * SrcB10 + SrcA11 * SrcB11 + SrcA21 * SrcB12;
diff --git a/glm/core/type_mat3x3.inl b/glm/core/type_mat3x3.inl
index 7766dd4d..b99ab3c6 100644
--- a/glm/core/type_mat3x3.inl
+++ b/glm/core/type_mat3x3.inl
@@ -32,7 +32,7 @@ namespace detail
 		size_type i
 	)
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -43,7 +43,7 @@ namespace detail
 		size_type i
 	) const
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -348,18 +348,18 @@ namespace detail
     template <typename T> 
     inline tmat3x3<T> & tmat3x3<T>::operator++ ()
     {
-	    this->value[0]++;
-	    this->value[1]++;
-        this->value[2]++;
+	    ++this->value[0];
+	    ++this->value[1];
+        ++this->value[2];
 	    return *this;
     }
 
     template <typename T> 
     inline tmat3x3<T> & tmat3x3<T>::operator-- ()
     {
-	    this->value[0]--;
-	    this->value[1]--;
-        this->value[2]--;
+	    --this->value[0];
+	    --this->value[1];
+        --this->value[2];
 	    return *this;
     }
 
diff --git a/glm/core/type_mat3x4.inl b/glm/core/type_mat3x4.inl
index 104d802c..6fd8f2c8 100644
--- a/glm/core/type_mat3x4.inl
+++ b/glm/core/type_mat3x4.inl
@@ -32,7 +32,7 @@ namespace detail
 		size_type i
 	)
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -43,7 +43,7 @@ namespace detail
 		size_type i
 	) const
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -446,6 +446,11 @@ namespace detail
             m[0][3] * v.x + m[1][3] * v.y + m[2][3] * v.z);
     }
 
+	//			X X X
+	//			X X X
+	//			X X X
+	//			X X X
+	// X X X X
     template <typename T> 
     inline typename tmat3x4<T>::row_type operator* 
 	(
@@ -454,9 +459,9 @@ namespace detail
 	)
     {
 		return typename tmat3x4<T>::row_type(
-            m[0][0] * v.x + m[1][0] * v.y + m[2][0] * v.z + m[3][0] * v.w,
-            m[0][1] * v.x + m[1][1] * v.y + m[2][1] * v.z + m[3][1] * v.w,
-            m[0][2] * v.x + m[1][2] * v.y + m[2][2] * v.z + m[3][2] * v.w);
+            v.x * m[0][0] + v.y * m[0][1] + v.z * m[0][2] + v.w * m[0][3],
+            v.x * m[1][0] + v.y * m[1][1] + v.z * m[1][2] + v.w * m[1][3],
+            v.x * m[2][0] + v.y * m[2][1] + v.z * m[2][2] + v.w * m[2][3]);
     }
 
     template <typename T> 
diff --git a/glm/core/type_mat4x2.inl b/glm/core/type_mat4x2.inl
index d61d624b..232675b8 100644
--- a/glm/core/type_mat4x2.inl
+++ b/glm/core/type_mat4x2.inl
@@ -32,7 +32,7 @@ namespace detail
 		size_type i
 	)
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -43,7 +43,7 @@ namespace detail
 		size_type i
 	) const
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -514,7 +514,7 @@ namespace detail
         T const SrcB13 = m2[1][3];
 
         tmat2x2<T> Result(tmat2x2<T>::null);
-        Result[0][0] = SrcA00 * SrcB00 + SrcA01 * SrcB01 + SrcA20 * SrcB02 + SrcA30 * SrcB03;
+        Result[0][0] = SrcA00 * SrcB00 + SrcA10 * SrcB01 + SrcA20 * SrcB02 + SrcA30 * SrcB03;
         Result[0][1] = SrcA01 * SrcB00 + SrcA11 * SrcB01 + SrcA21 * SrcB02 + SrcA31 * SrcB03;
         Result[1][0] = SrcA00 * SrcB10 + SrcA10 * SrcB11 + SrcA20 * SrcB12 + SrcA30 * SrcB13;
         Result[1][1] = SrcA01 * SrcB10 + SrcA11 * SrcB11 + SrcA21 * SrcB12 + SrcA31 * SrcB13;
diff --git a/glm/core/type_mat4x3.inl b/glm/core/type_mat4x3.inl
index 2a07c299..c66ccbec 100644
--- a/glm/core/type_mat4x3.inl
+++ b/glm/core/type_mat4x3.inl
@@ -32,7 +32,7 @@ namespace detail
 		size_type i
 	)
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -43,7 +43,7 @@ namespace detail
 		size_type i
 	) const
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
diff --git a/glm/core/type_mat4x4.inl b/glm/core/type_mat4x4.inl
index 153a2c26..a344952d 100644
--- a/glm/core/type_mat4x4.inl
+++ b/glm/core/type_mat4x4.inl
@@ -32,7 +32,7 @@ namespace detail
 		size_type i
 	)
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
@@ -43,7 +43,7 @@ namespace detail
 		size_type i
 	) const
 	{
-		assert(i < col_size());
+		assert(i < this->row_size());
 		return this->value[i];
 	}
 
diff --git a/glm/gtx/transform2.inl b/glm/gtx/transform2.inl
index b6bdb626..841d180c 100644
--- a/glm/gtx/transform2.inl
+++ b/glm/gtx/transform2.inl
@@ -141,6 +141,7 @@ namespace transform2
 		result[0][0] = scale;
 		result[1][1] = scale;
 		result[2][2] = scale;
+		return result;
 	}
 
 	template <typename T>